解:3(3x-1)-2(6+5x)=09x-3-12-10x=09x-10x=15x=-15根据题意得y=-15+2=-13代入3k-2(1-2y)=5得3k-2*[1-2*(-13)]=53k-2*27=53k=5+54k=59/3 (3分之59)